NASA
Nasa: Exploration: Then and Now: Follow the Water Lesson
The objective of this lesson is for students to learn the location of water and the importance of water to life. Students will learn about osmosis, soil samples, salinity, and more.
Science Buddies
Science Buddies: Can Water Float on Water?
Of course it can, you say: ice is water and ice floats. And you're right. But we're talking about water in the liquid phase Can liquid water float on water? The goal of this project is to investigate what happens to layers of water with...
![Noaa: More Than Salt in Salt Water [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Noaa: More Than Salt in Salt Water [Pdf] Activity")
NOAA
Noaa: More Than Salt in Salt Water [Pdf]
Realize that there is more in ocean water than just salt. Find out about the salinity of water and how changes in salinity may affect organisms living in the water.
University of California
University of California: Seawater Density & Salinity [Pdf]
Describes the properties of seawater and the variations depending on its location, e.g., near a shoreline, in an estuary, or as sea ice. Discusses the instruments scientists use to measure the density of water and explains other...
NOAA
Noaa: Ocean Explorer: Hot, Cold, Fresh and Salty
Students simulate ocean water characteristics in order to recognize that the effects of salinity and temperature are the drivers of thermohaline circulation.